How many movies have Miho Sugiura and Yoshikazu Iwanami collaborated on?

They have worked on 6 movies together! Their first movie together was The Garden of Sinners: Paradox Spiral (2008) while their highest rated movie together was Princess Principal Crown Handler: Chapter 3 (2023). They have not worked together since Princess Principal Crown Handler: Chapter 3 (2023). They are most known for their animation films together.